Hanna Instruments Quick Calibration Solution for GroLine pH and EC Meters (20 mL sachet) HI50036 indoor_vertical_farm recall function

recall function

Each bottle marked with lot number and expiration date

Diode: Samsung LM301H

simple fix—hydroponics strapped to any ordinary window

TDS meter (China OEM) x 1 unit

Hanna Instruments Quick Calibration Solution for GroLine pH and EC Meters (20 mL sachet) HI50036 indoor_vertical_farm recall functionHI50036P is a quick calibration solution for use with Hannas GroLine pH and or EC TDS meters. Using the Quick Cal function found in compatible meters allows for a single point calibration for pH and or conductivity sensors. Each sachet has the lot number and expiration date stamped on it and is made of light block foil ensuring freshness each time one is opened. Hannas line of calibration solutions have been specially formulated to have an expiration